| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] while [v-ing] [adv] a [adj] | 7 |
|
| 2 | while [v-ing] [adv] a [adj] [noun] | 9 |
|
| 3 | while [v-ing] [adv] a [adj] [noun sg] | 7 |
|
